Ford 9N Overview
The Ford 9N is the early Ford-Ferguson tractor built from 1939 through 1942. Its four-cylinder gasoline engine, three-point hitch, and simple drivetrain make it a common restoration tractor, but related N-series parts coverage can overlap.
Use the operator manual and service manual before relying on a catalog listing. Serial year, ignition setup, hydraulics, and hitch details are the pieces that usually decide whether a part or procedure actually fits a specific 9N.
Ford 9N Quick Answers
- Production yearsThe Ford 9N was produced from 1939 through 1942.
- EngineThe Ford 9N engine displacement is 119.7 ci 2.0 L.
- PTO and hitchThe Ford 9N has a 545 (1.125) rear PTO and a Category I rear hitch.
- Service capacityPublished capacities include engine oil capacity is 6 qts 5.7 L; coolant capacity is 12 qts 11.4 L.
- WeightThe Ford 9N weight range is 2140 to 2900 pounds.
Engine and Power
Engine: A 119.7 ci (2.0 L) gasoline four‑cylinder engine is documented with a 2000 RPM rating. The drawbar power is listed in the records, and typical timing and clearance figures appear in the engine data.
Gasoline engine
Ford / gasoline / 4-cylinder / liquid-cooled inline
| Displacement | 119.7 ci 2.0 L |
|---|---|
| Bore Stroke | 3.188x3.75 inches 81 x 95 mm |
| Air Cleaner | oil bath |
| Compression | 6.0 : 1 |
| Rated Rpm | 2000 |
| Torque | 84 lb-ft 113.9 Nm |
| Torque Rpm | 1500 |
| Firing Order | 1-2-4-3 |
| Starter Volts | 6 |
| Coolant Capacity | 12 qts 11.4 L |
| Sparkplug Gap | 0.025 inches 0.635 mm |
| Point Gap | 0.015 inches 0.381 mm |
| Intake Valve Clearance | 0.015 inches * Cold 0.381 mm |
| Exhaust Valve Clearance | 0.015 inches * Cold 0.381 mm |
Engine option 2
Ford / distillate / 4-cylinder / liquid-cooled / The distillate engine was used on the 9NAN variation, power is about 10% lower than on the 9N.
| Displacement | 119.7 ci 2.0 L |
|---|---|
| Bore Stroke | 3.188x3.75 inches 81 x 95 mm |
| Compression | 4.75 : 1 |
| Rated Rpm | 2000 |
| Firing Order | 1-2-4-3 |
| Starter Volts | 6 |
Manufacturer
Manufacture years
Tested drawbar
PTO and Hitch
PTO and hitch: Rear PTO is 545 (1.125) and a Category I hitch is standard; rear lift capacity is about 800 lbs. Match implements to the PTO speed and hitch category for reliable operation.
Rear PTO
Rear PTO type
Rear hitch
Rear lift
Fluids, Battery, and Service Facts
Maintenance: Engine oil capacity is 6 qts (5.7 L); coolant capacity is 12 qts (11.4 L). Electrical uses a 6-volt battery with a 16 A charging system. Spark plug gap is 0.025 in (0.635 mm) and valve gaps are 0.015 in (0.381 mm).
Fuel tank
Engine oil capacity
Battery volts
Battery Ah
Tires and Dimensions
Tire and dimension values can vary by wheel, axle, and configuration.
Wheelbase
Weight
Length
Width
Height
Front tire
Rear tire
Ag front
Ag rear
Electrical
Electrical rows are included when documented.
Ground
Charging system
Charging amps
Battery volts
Serial Number Lookup
Serial numbers help identify year and configuration. Factory prefixes and regional variants require corroborating documentation before applying year-specific tables.
1939
1940
1941
1942
Manuals and Documents
Use these links to check the operator manual, service manual, parts catalog, or test report that matches the tractor's serial range and equipment.
When a source covers more than one model or variant, confirm the fuel type, transmission, PTO setup, and serial range before using it for parts or service.
- Ford Operator’s Manual 2N & 9NOperator manual covering Ford 2N and 9N tractorsOpen source
- Ford Tractor Service Manual 2N, 8N, 9NFactory service/repair manual for Ford 2N/8N/9N tractorsOpen source
- 1939-1952 Ford 9N 2N 8N Tractor Parts CatalogueIllustrated master parts catalog for 9N/2N/8N familyOpen source
- Ford Tractor 8N, 2N, 9N Parts CatalogIllustrated parts catalog for 9N/2N/8N and NAA variantsOpen source
- Test 339: Ford 9N, Nebraska Tractor Test LabNebraska Tractor Test Report 339 for Ford 9N (1939-1942), official test documentationOpen source
- Specifications for Ford 9N and 2N (Ferguson Club)Historical specifications including crankcase oil capacity (6 quarts) for Ford 9N/2NOpen source
Parts Checks Before Ordering
Do not order Ford 9N parts from the model name alone. Match the part to the tractor's model code, serial range, engine, transmission, PTO setup, and build year before selecting service parts.
Because fluids, filters, belts, electrical parts, clutch/PTO parts, and hydraulic parts vary by configuration, confirm exact part numbers from a parts catalog, manual, or trusted supplier source.
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.